Forest

Thunderscape Familiar

First strike
Black spells and green spells you cast cost {1} less to cast.

Slime Against Humanity

Create a 0/0 green Ooze creature token with trample. Put X +1/+1 counters on it, where X is two plus the total number of cards you own in exile and in your graveyard that are Oozes or are named Slime Against Humanity.
A deck can have any number of cards named Slime Against Humanity.

Goblin Anarchomancer

Each spell you cast that's red or green costs {1} less to cast.

Reckless Impulse

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Weather the Storm

You gain 3 life.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Wrenn's Resolve

Mountain

Racers' Ring

This land enters tapped.
{T}: Add {R} or {G}.
{2}{R}{G}, {T}, Sacrifice this land: Draw a card.

Rugged Highlands

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {R} or {G}.